Wire mattress.



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WIRE MATTRESS.

APPLICATION FILED JAN. 28, 1903.

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No. 739,171 PATENTED SEPT.15,19'03.

- J. 1), HAGGARD.

WIRE MATTRESS.

APPLICATION FILED JAN. 28, 1903.

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UNITED STATES Patented; September 15, 1903.

PATENT OFFICE.

JOHN D. I-IAGGARD, OF CHICAGO, ILLINOIS, ASSIGNOR TO-IIAGGARD &MAROUSSON COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

WIRE MATTRESS.

SPECIFICATION forming part of Letters Patent No. 739,171, datedSeptember 15, 1903.

Application filed January 28, 1903. Serial No. 140,871. (No model.)

To aZZ whom it may concern.-

Be it known that 1, JOHN D. HAGGARD, a citizen of the United States,residing at Ohicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Wire Mattresses; and Ido hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.-

This invention relates to improvements in wire mattresses, and has forits object to pro vide a means for staying and stretching the wovenfabric from time to time in maintaining the elasticity of mattressesindefinitely and prevent undue sagging.

In the drawings, Figure 1 is a plan of a mattress and frame to which itis attached. Fig.

2 is a broken-away exaggerated detail; and

Fig. 3 is a transverse section on line 3, Fig. 1, looking in thedirection indicated by the arrow.

A A represent the companion side rails, and B B the end rails, composingthe usual mattress-frame, all of which are properly secured together,the woven-wire mattress'O being attached to the framein the usualmanner.

The companion stretching. and strengthening cables 4 and 5 are locatedas at opposite sides of the mattress and are adapted to be run alongthereunder. The ends of cable 4 are secured to the corners of the frameon the same side, as at a, and the ends of cable 5 to' same arefastened, so as to provide a slack' position, which can be bowed inwardunder the mattress in the strained position illustrated in Fig. 1. Inthis position the part 6 of each cable, starting from the respectiveends, runs at an angle diagonal to the side rails. The intermediateportion 7 of the cables between the diagonal parts run in a straightline and paralleltheside rails. The cables are retained in this normalstrained position by means of what may be termed floating stay-rods 8and 9-thatis, one for each cable-and which are located on the inner sidethereof and parallel with the central .ric becomes slack from use.

portion 7. These stay-rods are positioned lengthwise of the mattress,the free ends stopping short of the end rails of the frame. The rods arelooselyinserted in the meshes of the fabric, Figs. 2 and 3, so that theposition of the same may be changed from time to time in increasing thestretching strain as the fab- This is accomplished by shifting theposition of the stayrods inward in the direction of each other as oftenas may be necessary. The cables and stay-rods are connected by a numberof open detachable links 10, which are disposed at intervals. The cablesare not interwoven with the fabric, but press close against the underside thereof in the operation of stretching and stifiening the same.

The article is shown in its completed condition, Fig. 1, just as it issent out of the factory, the fabric being stretched taut. It will benoted that the floating stayrods are shown somewhat longer than thestraight portions of the cables and extend past the junction with thediagonal parts and provide an A- shaped space 9 therebetween. After thefabric has become a little slack from use it may be stretched by simplyshifting the end links 10 outward, which increases the strain on thefabric and cables and contracts the A space. When the fabric can nolonger be stretched sufliciently to take up the slack by shiftingthe endlinks, all the links may be disengaged and the stay-rods moved to a newposition, the links again inserted in theirlocking connection, and thefabric drawn taut. The stay-rods being set in a plain higher than thatof the cables the connecting-links assume an inclined position, Figs.2and 3, with an upward pull on the cable and a lateral strain on thefabric. The stay-rods may also be moved endwise in the direction ofeither end of the frame from that of the position shown, as may benecessary in stretching different parts of the fabric, or one rod may bemoved in the direction of the head end and the companion rod toward thefoot end of the mattress, so that they occupy a diagonal position withreference to each other. In fact the stay-rods may be so positioned withreference to the cables as to exert a stretching action from anydirection and the strain or ICO tension varied proportionate to theamount of slack in any particular place.

A greater number of cables and stay-rods may be used; but the numbershown is ordinarily sufficient.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is

1. A stretching and strengthening device for woven-wire mattresses,comprising companion cables located at opposite sides of the mattressand running longitudinally thereunder and having their respective endssocured to the corners of the frame, stay-rods anchored in the mattresstoward the center thereof, and means for connecting said cables and rodsin exerting a straining action in taking up the slack in the wovenfabric, substantially as set forth.

2. A stretching device for woven mattresses, comprising companion cableslocated at opposite sides of the mattress and having their ends securedto the respective corners of the mattress-frame and running lengthwiseof and underneath the woven fabric, floating stay-rods inserted in themeshes of the fabric toward the center thereof, and detachable means forjoining the cables and rods in their stretching position, substantiallyas set forth.

3. The combination with a wire mattress of companion cables located atopposite sides thereof and having the ends secured to the respectivecorners of the mattress-frame and of companion cables having their endspermanently secured to the respective corners of the mattress-frame andhaving a slack portion extending underneath the mattress from each sideand running lengthwise thereof, stay-rods loosely inserted in the wovenfabric toward the center and the inclined links connecting said'cablesand stay-rods in a straining position and taking up the slack in thefabric, substantially as set forth.

5. The combination with a wire mattress, of companion cables positionedalong each side thereof and extending underneath the same at an angle,of companion stay-rods inserted in the meshes of the fabric from eachside toward the center and adapted to be shifted to dilferent positionswith reference to the cables, and the movable links connecting thecables and stay-rodsin their joint relation, substantially as set forth.

In testimony whereof I aflix my signature in presence of two witnesses.

JOHN D. l-IAGGARD.

Witnesses:

L. B. COUPLAND, J. B. DONALSON.

